Reply to "Street 403C on the Dyno"

panteradougMember

Your numbers are reinforcing to me why it is so difficult to find A3 heads. For all intents and purposes they look to me like the best bang for the buck.
Are those headers actually stainless or are they just coated?
The coaters are quoting a measurable flow increase for virtually all the product lines.
Eastern Connecticut Coatings, who did mine, said they could show dyno results for something like a 15% increase. 15% of what?
Can anyone verify that?

2/29/126:39 AM

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